Anthony Joshua gave Carlos Takam a taste of what to expect for Saturday's fight at the Principality Stadium when he took part in a public training session yesterday.
Standing in the middle of a ring at St David's Hall in front of 1,400 fans, AJ went on the pads with his trainer to show he means business.
The 28-year-old is favourite to defend his WBA Super and IBF heavyweight titles and has vowed to give boxing fans what they want: a knock-out.
Speaking after his open session, Joshua said: "They know what they want and we have to deliver. I have to deliver.
"They want a good night, they want a knock-out, they want some blood and then to see respect between us afterwards.
"It's a different style and a different fight. When the first bell rings, it will be just him and me, trading. I think everyone knows it's going to be a war. We both wear our hearts on our sleeves.
"It's down to me to deliver and let's deliver on Saturday and we can look forward to a promising 2018."
Likewise, Joshua will be all too aware of the damage Takam can do if given the chance.
The 36-year-old has been described as "aggressive" yet "durable", which AJ will have to be careful of in the latter rounds.
Takam will look to frustrate Joshua, but according to the champ himself, he knows he can grind out victory even when his "skills aren't working".
In the video below, Joshua says: "When I need to dig deep and the skills aren't working, I know I can pull it out the bag."
Joshua had to dig deep against Wladimir Klitschko in April and he feels he may have to do the same against Takam, which Tony Bellew absolutely loves.
In reaction to the above footage, Bellew said on Twitter that winning when nothing else is working is the most important attribute for any boxer.
He wrote: "This is the most important ingredient of a fighter! This cannot be taught it cannot be trained! You either have it or you don't! He has it."
Bellew clearly thinks a lot of Joshua, but it's now up to the Brit to prove everyone right by notching his 20th professional victory and maintaining his 100% knock-out record.